/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2024 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "adc.h"
#include "i2c.h"
#include "spi.h"
#include "tim.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
//1. ?????
#define BEEP_ON GPIO_PIN_RESET
#define BEEP_OFF GPIO_PIN_SET
//2. LED??
#define DS_ON GPIO_PIN_RESET
#define DS_OFF GPIO_PIN_SET
#define DS_GPIO_Port GPIOC
#define DS_ALL DS0_Pin|DS1_Pin|DS2_Pin|DS3_Pin|DS4_Pin|DS5_Pin|DS6_Pin|DS7_Pin
/* USER CODE END Includes */
//???????????? HAL ??????? IO

//?????????????
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
void LED_BEEP_Task(void);
/* USER CODE BEGIN PFP */
void Key_Task(void);
/* USER CODE END PFP */
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */


//3. ????,??main,h?
/*********************************************************************
*                         ????
**********************************************************************
* ? ? ?    : KeyEvent_TypeDef KeyScan(void)
* ????    : ??????????,???????????2ms?????
* ?    ?    : mode=0:??????
              mode=1:??????
* ?    ?    : KEY_UNPRESS:??????
              KEY1_PRESS:K1??
              KEY2_PRESS:K2??
              KEY3_PRESS:K3??
              KEY4_PRESS:K4??
*/
KeyStateTypeDef KeyScan(void)
{
    //lock?????,0???,1???;?????????????????,
    //??????????
    static uint8_t key0_value = 0xFF;
    static uint8_t key1_value = 0xFF;
    static uint8_t key2_value = 0xFF;
    static uint8_t keyup_value = 0x00;
    static uint8_t lock = 0;
    
    //2ms????,?????,????????????,0???,1???
    //??8?????????,keyx_value???0x00?????????
    key0_value <<= 1;
    key0_value |= KEY0;
    key1_value <<= 1;
    key1_value |= KEY1;
    key2_value <<= 1;    
    key2_value |= KEY2;
    keyup_value <<= 1;
    keyup_value |= WK_UP;
    
    if((!key0_value||!key1_value||!key2_value||(keyup_value==0xff))&&lock==0)    //????????????????
    {
        lock = 1;                //??,???????
        if(!key0_value)
            return KEY0_PRESS;
        else if(!key1_value)
            return KEY1_PRESS;
        else if(!key2_value)
            return KEY2_PRESS;
        else if(keyup_value==0xff)
            return WKUP_PRESS;
    }
    else if(key0_value && key1_value && key2_value && (keyup_value!=0xff) && (lock))            //??????????????(???????)
    {
        lock = 0;                                                    
    }
    else{  }
    
    return NONE_PRESS;  
}

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{

  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_ADC1_Init();
  MX_I2C1_Init();
  MX_I2C2_Init();
  MX_SPI1_Init();
  MX_TIM1_Init();
  MX_TIM2_Init();
  MX_TIM3_Init();
  MX_USART1_UART_Init();
  /* USER CODE BEGIN 2 */

  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */
   
          while (1)
  {
        Key_Task();
        HAL_Delay(2);
  }
  
    /* USER CODE BEGIN 3 */
  }
  /* USER CODE END 3 */
} 


void LED_BEEP_Task(void)
{
    static uint16_t    i;
    switch (i)
    {
        case 0://DS??,?????
            HAL_GPIO_WritePin(DS_GPIO_Port, DS_ALL, DS_OFF);
            HAL_GPIO_WritePin(BEEP_GPIO_Port, BEEP_Pin, BEEP_OFF);
            i++;
            break;
        case 1:
					HAL_GPIO_WritePin(DS_GPIO_Port, DS_ALL, DS_OFF);
            HAL_GPIO_WritePin(DS_GPIO_Port, DS0_Pin, DS_ON);
            i++;
            break;
        case 2:
					HAL_GPIO_WritePin(DS_GPIO_Port, DS_ALL, DS_OFF);
            HAL_GPIO_WritePin(DS_GPIO_Port, DS1_Pin, DS_ON);
            i++;
            break;
        case 3:
					HAL_GPIO_WritePin(DS_GPIO_Port, DS_ALL, DS_OFF);
            HAL_GPIO_WritePin(DS_GPIO_Port, DS2_Pin, DS_ON);
            i++;
            break;
        case 4:    //DS??,????
					HAL_GPIO_WritePin(DS_GPIO_Port, DS_ALL, DS_OFF);
            HAL_GPIO_WritePin(DS_GPIO_Port, DS3_Pin, DS_ON);
            HAL_GPIO_WritePin(BEEP_GPIO_Port, BEEP_Pin, BEEP_ON);
            i++;
            break;
				case 5:
					HAL_GPIO_WritePin(DS_GPIO_Port, DS_ALL, DS_OFF);
            HAL_GPIO_WritePin(DS_GPIO_Port, DS4_Pin, DS_ON);
				HAL_GPIO_WritePin(BEEP_GPIO_Port, BEEP_Pin, BEEP_OFF);
            i++;
            break;
				case 6:
					HAL_GPIO_WritePin(DS_GPIO_Port, DS_ALL, DS_OFF);
            HAL_GPIO_WritePin(DS_GPIO_Port, DS5_Pin, DS_ON);
            i++;
            break;
				case 7:
					HAL_GPIO_WritePin(DS_GPIO_Port, DS_ALL, DS_OFF);
            HAL_GPIO_WritePin(DS_GPIO_Port, DS6_Pin, DS_ON);
            i++;
            break;
				case 8:
					HAL_GPIO_WritePin(DS_GPIO_Port, DS_ALL, DS_OFF);
            HAL_GPIO_WritePin(DS_GPIO_Port, DS7_Pin, DS_ON);
				    HAL_GPIO_WritePin(BEEP_GPIO_Port, BEEP_Pin, BEEP_ON);
            i=0;
            break;

        default:
            break;
    }
    HAL_Delay(300);
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
  PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV6;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  {
    Error_Handler();
  }
}
/**********************************************************************
* ? ? ?    : void Key_Task(void)
* ????    : ?????????????
* ?    ?    : void
* ?    ?    : void
*/
void Key_Task(void)
{   int i=0;
	 while (1)
	 {
		 
		
    switch (KeyScan())
    {
        case NONE_PRESS://??,????
            break;
        case KEY0_PRESS:
					i++;
				
            switch (i)
    {
        case 0://DS??,?????
            HAL_GPIO_WritePin(DS_GPIO_Port, DS_ALL, DS_OFF);
            HAL_GPIO_WritePin(BEEP_GPIO_Port, BEEP_Pin, BEEP_OFF);
            
            break;
        case 1:
					HAL_GPIO_WritePin(DS_GPIO_Port, DS_ALL, DS_OFF);
            HAL_GPIO_WritePin(DS_GPIO_Port, DS0_Pin, DS_ON);
            
            break;
        case 2:
					HAL_GPIO_WritePin(DS_GPIO_Port, DS_ALL, DS_OFF);
            HAL_GPIO_WritePin(DS_GPIO_Port, DS1_Pin, DS_ON);
            
            break;
        case 3:
					HAL_GPIO_WritePin(DS_GPIO_Port, DS_ALL, DS_OFF);
            HAL_GPIO_WritePin(DS_GPIO_Port, DS2_Pin, DS_ON);
				    break;
        case 4:    //DS??,????
					HAL_GPIO_WritePin(DS_GPIO_Port, DS_ALL, DS_OFF);
            HAL_GPIO_WritePin(DS_GPIO_Port, DS3_Pin, DS_ON);
            HAL_GPIO_WritePin(BEEP_GPIO_Port, BEEP_Pin, BEEP_ON);
            
                
            break;
				case 5:
					 HAL_GPIO_WritePin(DS_GPIO_Port, DS_ALL, DS_OFF);
            HAL_GPIO_WritePin(BEEP_GPIO_Port, BEEP_Pin, BEEP_OFF);
				i=0;
				break;
				default:
            break;
		}
            break;
        case KEY1_PRESS:
            HAL_GPIO_WritePin(BEEP_GPIO_Port, BEEP_Pin, BEEP_ON);
            break;
        case KEY2_PRESS:
            HAL_GPIO_WritePin(BEEP_GPIO_Port, BEEP_Pin, BEEP_OFF);
            break;
        case WKUP_PRESS:
            HAL_GPIO_WritePin(DS_GPIO_Port, DS_ALL, DS_OFF);
            HAL_GPIO_WritePin(BEEP_GPIO_Port, BEEP_Pin, BEEP_OFF);
            break;
        default:
            break;
    }  
	}		
}
/* USER CODE BEGIN 4 */

/*********************************************************************
*                         ????
**********************************************************************
* ? ? ?    : KeyEvent_TypeDef KeyScan(void)
* ????    : ??????????,???????????2ms???????8???????????????????????
* ?    ?    : void
* ?    ?    : KEY_UNPRESS:??????
              KEY1_PRESS:K1??
              KEY2_PRESS:K2??
              KEY3_PRESS:K3??
              KEY4_PRESS:K4??
*/

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
